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(petrol) BMW 420 used • 868 cars for sale

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BMW 420 - 4 Series Gran Coupe i M Sport 5dr Step Auto

£32,990

Super price

You save £5,210

CT27PX, Kent

153 g CO2/km comb. - 184 HP (135 kW) - 6.6 Mpg

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BMW 420 - 4 Series Convertible i M Sport 2dr Step Auto

£33,993

Super price

You save £4,307

SO533YU, Hampshire

154 g CO2/km comb. - 184 HP (135 kW) - 6.8 Mpg

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BMW 420 - 4 Series i M Sport Pro Edition 2dr Step Auto

£31,599

Fair price

Estimated price £30,961

EX28FD, Devon

151 g CO2/km comb. - 184 HP (135 kW) - 6.6 Mpg

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BMW 420 - 4 Series Convertible i M Sport 2dr Step Auto

£31,995

Super price

You save £6,105

CT27PX, Kent

154 g CO2/km comb. - 184 HP (135 kW) - 6.8 Mpg

1 / 4

Used (2016) BMW 420 M Sport 184 HP | Fair price

4 Series 2.0 i M Sport Coupe 2dr

2016
51,499 miles
Trim level: M Sport
2.0L Petrol
Coupe
Manual
184 HP (135 kW)
Details

Fair price

£13,100

£12,100

Dealer

IP1 5QL Ipswich, Suffolk

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-13%

1 / 3

Used (2022) BMW 420 M Sport | Fair price

4 Series i M Sport 2dr Step

2022
17,841 miles
Trim level: M Sport
2.0L Petrol
Cabriolet
Automatic
Details

Fair price

£28,999

£33,399

Dealer

NN18 8AA Corby, Northamptonshire

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1 / 4

Used (2022) BMW 420 M Sport 184 HP | Fair price

4 Series 2.0 i M Sport Convertible

2022
16,739 miles
Trim level: M Sport
2.0L Petrol
Cabriolet
Automatic
184 HP (135 kW)
Details

Fair price

£29,900

£29,995

Dealer

SS0 0JR Southend-on-Sea, Essex

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-3%

1 / 3

Used (2018) BMW 420 M Sport 184 HP | Fair price

4 Series 2.0 i M Sport Convertible

2018
81,678 miles
Trim level: M Sport
2.0L Petrol
Cabriolet
Automatic
184 HP (135 kW)
Details

Fair price

£12,495

£12,995

Dealer

G51 3JH Gla

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New

1 / 3

Used (2019) BMW 420 M Sport | Fair price

4 Series i M Sport 2dr Auto

2019
33,562 miles
Trim level: M Sport
2.0L Petrol
Cabriolet
Automatic
Details

Fair price

£17,999

Dealer

DE21 7WA Derby, Derbyshire

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1 / 3

Used (2019) BMW 420 M Sport 184 HP | Fair price

4 Series i M Sport 5dr Auto

2019
36,799 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
184 HP (135 kW)
Details

Fair price

£16,980

£17,040

Dealer

RG7 4PG Reading, Berkshire

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-8%

1 / 4

Used (2025) BMW 420 M Sport 181 HP | Fair price

4 Series i M Sport Coupe 2.0

2025
5,263 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
mpg: 40.4
CO2: 159 g CO2/km comb.
Details

Fair price

£40,995

£44,995

Dealer

ML3 0AY Hamilton

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New

1 / 4

Used (2019) BMW 420 M Sport 181 HP | Fair price

4 Series i M Sport Coupe 2.0

2019
60,647 miles
Trim level: M Sport
2.0L Petrol
Coupe
Manual
181 HP (133 kW)
mpg: 37.7
CO2: 145 g CO2/km comb.
Details

Fair price

£15,035

Dealer

CR0 4QE Croydon, London

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-4%

1 / 4

Used (2023) BMW 420 M Sport 181 HP | Fair price

4 Series Gran Coupe i M Sport Pro

2023
30,359 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
Details

Fair price

£31,000

£32,500

Dealer

PE217QS Boston, Lincolnshire

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-7%

1 / 4

Used (2023) BMW 420 M Sport 181 HP | Fair price

4 Series i M Sport Convertible 2.0

2023
29,271 miles
Trim level: M Sport
2.0L Petrol
Cabriolet
Automatic
181 HP (133 kW)
mpg: 40.4
CO2: 159 g CO2/km comb.
Details

Fair price

£32,999

£35,500

Dealer

HU9 1TQ Hull, East Yorkshire

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BMW 420 - 4 Series Gran Coupe i M Sport 5dr Step Auto

£33,600

Super price

You save £4,600

BR67QR Kent, London

153 g CO2/km comb. - 184 HP (135 kW) - 6.6 Mpg

Carwow

BMW 420 4 Series i xDrive M Sport 2dr Step Auto

£25,295

Fair price

You save £205

S802QD Hinckley, Nottinghamshire

154 g CO2/km comb. - 184 HP (135 kW) - 6.8 Mpg

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BMW 420 - 4 Series Convertible i M Sport 2dr Step Auto

£30,500

Super price

You save £5,300

CM13BH Chelmsford, Essex

154 g CO2/km comb. - 184 HP (135 kW) - 6.8 Mpg

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BMW 420 - 4 Series Convertible i M Sport 2dr Step Auto

£31,050

Super price

You save £5,250

CM13BH Chelmsford, Essex

154 g CO2/km comb. - 184 HP (135 kW) - 6.8 Mpg

-4%

1 / 4

Used (2022) BMW 420 M Sport 181 HP | Fair price

4 Series i M Sport Coupe 2.0

2022
30,781 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
181 HP (133 kW)
mpg: 44.1
CO2: 146 g CO2/km comb.
Details

Fair price

£25,799

£26,900

Dealer

HU9 1TQ Hull, East Yorkshire

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-18%

1 / 3

Used (2022) BMW 420 M Sport 192 HP | Fair price

4 Series i M Sport Pro Edition 2dr

2022
7,641 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
192 HP (141 kW)
mpg: 43
CO2: 152 g CO2/km comb.
Details

Fair price

£31,599

£38,995

Dealer

WC1E 7DP London, London

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-25%

1 / 3

Used (2021) BMW 420 M Sport 184 HP | Fair price

i M Sport Coupe

2021
45,787 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
184 HP (135 kW)
mpg: 42.2
CO2: 152 g CO2/km comb.
Details

Fair price

£25,125

£33,950

Dealer

Delivered to you

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-1%

1 / 4

Used (2021) BMW 420 M Sport | Fair price

4 SERIES COUPE i M Sport 2dr Step

2021
44,536 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
CO2: 151 g CO2/km comb.
Details

Fair price

£24,199

£24,499

Dealer

M41 7TB Trafford Park, Manchester

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-8%

1 / 3

Used (2022) BMW 420 M Sport | Fair price

4 Series I M Sport 2Dr Step

2022
39,699 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
Details

Fair price

£24,139

£26,494

Dealer

CW1 6XH Crewe, Cheshire

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-3%

1 / 3

Used (2017) BMW 420 M Sport | Fair price

4 Series i M Sport 2dr Auto

2017
90,005 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
Details

Fair price

£11,990

£12,370

Dealer

EN9 2BL Waltham Abbey, Essex

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Availability verified

-3%

1 / 4

Used (2017) BMW 420 M Sport 184 HP | Fair price

4 Series i M Sport 5dr Auto

2017
67,500 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
184 HP (135 kW)
Details

Fair price

£13,495

£13,995

Dealer

CO16 0HH Clacton-on-Sea Thorpe-Le-Soken, Essex

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-6%

1 / 3

Used (2017) BMW 420 Sport Line | Fair price

4 Series 2.0 I Sport Auto 2dr

2017
58,825 miles
Trim level: Sport Line
2.0L Petrol
Coupe
Automatic
Details

Fair price

£13,010

£13,920

Dealer

CB22 6SE Cambridge, Cambridgeshire

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-42%

1 / 3

Used (2021) BMW 420 M Sport 181 HP | Fair price

i M Sport Convertible

Nov 2021
59,000 miles
Trim level: M Sport
2.0L Petrol
Cabriolet
Automatic
181 HP (133 kW)
mpg: 41.5
CO2: 160 g CO2/km comb.
Details

Fair price

£24,490

£42,950

Dealer

DN2 4SR Doncaster, South Yorkshire

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-27%

1 / 3

Used (2022) BMW 420 M Sport 181 HP | Fair price

4 Series i M Sport Convertible 2.0

2022
43,954 miles
Trim level: M Sport
2.0L Petrol
Cabriolet
Automatic
181 HP (133 kW)
mpg: 40.4
CO2: 160 g CO2/km comb.
Details

Fair price

£27,490

£38,054

Dealer

DN2 4SR Doncaster, South Yorkshire

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Featured deals

Carwow

BMW 420 - 4 Series Convertible i M Sport 2dr Step Auto

£32,381

Super price

You save £5,819

RG129FR, Berkshire

154 g CO2/km comb. - 184 HP (135 kW) - 6.8 Mpg

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BMW 420 - 4 Series Gran Coupe i M Sport 5dr Step Auto

£43,955

Super price

You save £3,845

GU11RD Guildford, Surrey

153 g CO2/km comb. - 184 HP (135 kW) - 6.6 Mpg

Carwow

BMW 420 - 4 Series i M Sport 2dr Step Auto

£41,999

Super price

You save £5,801

B783HG Tamworth, Staffordshire

144 g CO2/km comb. - 184 HP (135 kW) - 6.3 Mpg

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BMW 420 - 4 Series Gran Coupe i M Sport 5dr Step Auto

£45,312

Good price

You save £2,488

RH101TN, West Sussex

153 g CO2/km comb. - 184 HP (135 kW) - 6.6 Mpg

1 / 4

Used (2019) BMW 420 M Sport 184 HP | Fair price

4 Series Gran Coupe 2.0 i GPF M

2019
38,100 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
184 HP (135 kW)
Details

Fair price

£17,599

£17,699

Dealer

NE8 4AP Gateshead, Tyne and Wear

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-6%

1 / 3

Used (2019) BMW 420 M Sport 184 HP | Fair price

4 Series 2.0 i GPF M Sport Coupe

2019
78,586 miles
Trim level: M Sport
2.0L Petrol
Coupe
Manual
184 HP (135 kW)
Details

Fair price

£12,990

£13,940

Dealer

SK5 7BS Stockport, Manchester

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-4%

1 / 4

Used (2015) BMW 420 M Sport 184 HP | Fair price

4 Series i M Sport 2dr [Profes

2015
68,175 miles
Trim level: M Sport
2.0L Petrol
Coupe
Manual
184 HP (135 kW)
Details

Fair price

£10,498

£10,998

Dealer

BB1 2QR Blackburn, Lancashire

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-25%

1 / 4

Used (2022) BMW 420 M Sport 192 HP | Fair price

4 Series i M Sport Coupe 2.0

2022
22,907 miles
Trim level: M Sport
2.0L Petrol
Coupe
Automatic
192 HP (141 kW)
mpg: 42.2
CO2: 152 g CO2/km comb.
Details

Fair price

£28,950

£38,771

Dealer

NN1 5SZ Northampton, Northamptonshire

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Availability verified

-3%

1 / 4

Used (2025) BMW 420 M Sport 181 HP | Fair price

4 Series i M Sport Convertible 2.0

2025
6,436 miles
Trim level: M Sport
2.0L Petrol
Cabriolet
Automatic
181 HP (133 kW)
mpg: 38.2
CO2: 169 g CO2/km comb.
Details

Fair price

£42,500

£44,000

Dealer

CF11 8TT Cardiff

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BMW 420 - 4 Series Gran Coupe i M Sport 5dr Step Auto

£45,853

Good price

You save £1,947

TN23UE Nottingham, Kent

153 g CO2/km comb. - 184 HP (135 kW) - 6.6 Mpg

Carwow

BMW 420 4 Series i M Sport Convertible 2.0 2dr

£39,250

Fair price

You save £250

PO35FF, Hampshire

154 g CO2/km comb. - 184 HP (135 kW) - 38.2 Mpg

Carwow

BMW 420 4 Series Gran Coupe i M Sport 5dr Step Auto

£35,522

Super price

You save £5,378

PO35FF, Hampshire

153 g CO2/km comb. - 184 HP (135 kW) - 6.6 Mpg

Carwow

Photos coming soon

BMW 420 - 4 Series Gran Coupe i M Sport 5dr Step Auto

£45,478

Good price

You save £2,322

ME207XB, Kent

153 g CO2/km comb. - 184 HP (135 kW) - 6.6 Mpg

Showing 251 - 275 of 855 results